Researchers were on an expedition in Dominica when a pod of enormous sleeping sperm whales appeared in front of them.

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

When scientists dropped a video camera to the seafloor off Rotuma in the South Pacific Ocean, they filmed an octopus lashing out at a grouper.

From groundbreaking research to the beauty of marine sanctuaries teeming with life, these images shine a spotlight on the ocean and the Explorers who champion it. South American sea lions (Otaria ...

National Geographic Explorers participating in the National Geographic and Rolex Perpetual Planet Ocean Expeditions are conducting scientific research across Earth’s most crucial ecosystem. Through ...

National Geographic has revealed the Pictures of the Year 2025, highlighting images by Nat Geo photographers that inspired and defined the past year. This year's showcase features 25 images that cover ...

A deep and exclusive look inside National Geographic's ambitious Secrets of the Penguins with host Bertie Gregory.